If there is OBVIOUS damage your in business. there are several rows, the one you want is 3rd from the bottom. You should be able to SEE the grid patter of contact pads.
If you have experience with electronics you can remove the control board from its casing, be sure to remember where EVERYTHING came from (Draw yourself a diagram if you have to) then inspect the board for damage. Which leads me to believe that what he spilled was something acidic (Soda, orange juice etc.) Well since all of the keys you have indicated seem to be from the same row, I would say that something damaged the trace for that row. The controller determines which key you push by checking for what column connects with what row. The way a keyboard works is that there is a grid pattern of electronics traces(lines) that run below the membrane (Rubber or plastic seal) just below the keys. What can be done depends greatly on WHAT was spilled on the keyboard, AND what your experience with electronics is.Īll of the keys you indicated are on the same key row as each other. SOURCE: EX110 Keyboard: Some Keys don't work
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